president obama put the blame squarely at the feet of senate republicans. >> obama: families that know unspeakable grief summoned the courage to petition their elected leaders, not just to honor the memory of their children, but to protect the lives of all of our children. a few minutes ago, a minority in the united states senate decided it wasn't worth it. >> michael: the amendment's odds looked so dim that joe manchin took to the senate floor this morning to make background a national security issue, by tying it to the fbi's most-wanted terrorist. >> our gun laws are so outdated and so out of whack that even this person who wants to do damage and harm to every american, even this american has figured out how to exploit them to arm themselves and people like him in our country. >> michael: connecticut senator chris murphy saw the result coming from a mile away. last night he tweeted . . . murphy of course represents newtown. in the 241 days since the slaughter of 20 school children and six educators, at least 3,482 americans have died in gun violence. that's about 134 new townes since